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  <title>Document</title>
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<body>
  <script>
    // [1,2,3].reduce( (acc, cur) => {
    //     console.log(acc,cur)
    //     return 1
    // }, 0)

    // 应用场景：求和
    // const res = [1,2,3].reduce( (acc,cur) => {
    //     console.log(acc,cur)
    //     return acc + cur
    // }, 0)

    // console.log(res)

    const res = [{ money: 10 }, { money: 20 }, { money: 30 }].reduce((acc, cur) => {
      console.log(acc, cur)
      return acc + cur.money // 求money的和
    }, 0)

    console.log(res)
  </script>

</body>

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